The steel fireproof door is composed of steel frame and steel door leaf, which is not easy to be deformed by impact and damaged by external force. It can be used normally for a long time without replacement. Under the premise of fire protection effect, steel fire doors have the characteristics of environmental protection and durability.

Portes coupe-feu ZHTdoors, 31 ans d’expérience dans la production de portes coupe-feu et de fenêtres. Les principales portes coupe-feu UL, portes coupe-feu EN, portes coupe-feu BS EN, etc.